来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/07/14 05:48:48
英语语法-请问这道题选哪个?为什么?
( ) 9.— It’s good to see you again,Agnes.
— This has been our first chance to visit since ———— from Iran.
A.you return B.you returned C.you have returned D.returning
B since是标志,前面是现在完成时,后面是一般过去时